What do the Clean, Low, Watch and Swap levels mean?

They are cut from a continuous concern level the app computes from the sourced claims that the chosen evidence lens shows: each claim counts its concern class, tier weight, confidence and dose relevance, combined worst-first with a decay so one serious finding outweighs many small ones, then scaled by how much of the substance reaches you in this use. Clean is below 0.35, Low below 1.1, Watch below 2.0 and Swap above that, on a 0 to 3 scale.

Is Estradiol safe in drinking water?

Q: Is estradiol safe in drinking water?

Under the app's default Cautious lens, estradiol in drinking water rates Swap: the app would put this near the top of your swap plan. 3 sourced concerns count (endocrine, consensus tier; environmental, consensus tier; suspected carcinogen, emerging tier). This is research with sources, not medical advice.

Water1 use researched3 sourced claims

Where it turns up: hormone, wastewater effluent contaminant. Detox My Life researched estradiol under one use, because the same substance means something different in each use. Every claim below carries its evidence tier, how sure the research is that it applies here, and the sources it cites. The level is computed by the app's own deterministic engine, so the page says exactly what the app would.

Level by use and lens

Use	Mainstream	Cautious (default)	Based	Concerns · favour · fringe
In drinking water	Swap	Swap	Swap	3 · 0

Mainstream shows consensus claims only; Cautious adds emerging research; Based adds fringe claims, labelled as such. The last column counts, under Cautious, the sourced concerns, the findings in its favour and the fringe claims Based would add.

Safer swaps: the app's swap catalog has no entry tied to this ingredient yet. When you scan a product that contains it, the app suggests cleaner alternative types for that product; the swap categories list what the catalog covers today.

In drinking water Swap

Under the default Cautious lens estradiol in drinking water rates Swap: the app would put this near the top of your swap plan. Mainstream (consensus only) rates it Swap; Based (adds the fringe) rates it Swap. Researched 2026-09-03.

Sourced concerns (3)

ConsensusEndocrineconfidence 90%

Estradiol in drinking water is a concern due to its endocrine-disrupting properties and potential risk to human health, leading to its inclusion on watch lists and the establishment of guidance values by regulatory bodies.

Why here: Estradiol, a natural estrogen, enters drinking water through human and animal waste, pharmaceuticals, and agricultural runoff. Conventional wastewater treatment plants are often unable to fully remove these hormones, allowing trace amounts to persist in the water supply.
What would have to be true: Detected in drinking water at various concentrations, with the European Union setting a maximum limit of 0.4 ng/L for 17β-estradiol and a guidance value of 1 ng/L for 17-beta-estradiol in water intended for human consumption. The US EPA also monitors hormones like ethinylestradiol and other endogenous hormones in drinking water.
The other side: The UK Drinking Water Inspectorate states there is no evidence that endocrine-disrupting compounds, including 17-Beta-estradiol, pose a risk to human health through drinking water, although they are a concern for wildlife.

Sources the engine cites:

A Systematic Review of Estrogens as Emerging Contaminants in Water: A Global Overview Study from the One Health Perspective - PMC — nih.gov (2025) · regulator or public body
Ethinyl Estradiol and Other Human Pharmaceutical Estrogens in the Aquatic Environment: A Review of Recent Risk Assessment Data - PMC — nih.gov (2012) · regulator or public body
Endocrine Disrupters and Drinking Water — dwi.gov.uk (2020) · regulator or public body
1 web article (frizzlife.com), linked in the app.

ConsensusEnvironmentalconfidence 90%

Estradiol in drinking water sources poses a significant environmental concern, as even at low concentrations, it can disrupt endocrine signals in wildlife, leading to adverse effects on reproductive systems and hormone balance in aquatic organisms.

Why here: Estradiol enters water bodies through human and animal waste, pharmaceuticals, and agricultural runoff. Conventional wastewater treatment plants are not always effective at removing these compounds, allowing them to persist in rivers, lakes, and groundwater, which serve as sources for drinking water.
What would have to be true: Aquatic organisms are exposed to estradiol in water bodies, with adverse effects reported at sub-nanogram per liter (ng/L) concentrations. This includes feminization of male fish and molluscs.

Sources the engine cites:

Endocrine Disrupters and Drinking Water — dwi.gov.uk (2020) · regulator or public body
1 web article (frizzlife.com), linked in the app.

EmergingSuspected carcinogenconfidence 80%

Drinking water contaminated with estrogen, including estradiol, has been linked in studies to an increased risk of certain cancers, such as breast and prostate cancer.

Why here: Estradiol, a natural estrogen, can enter drinking water through human and animal waste, pharmaceuticals, and agricultural runoff. Conventional wastewater treatment plants are often unable to fully remove these hormones, allowing trace amounts to persist in the water supply, leading to potential long-term exposure through consumption.
What would have to be true: Exposure occurs through the consumption of drinking water containing trace amounts of estradiol. While levels are typically low, scientists are still studying the long-term effects of such exposure.

Sources the engine cites (no regulator, review or study among them):

1 web article (mitohealth.com), linked in the app.
1 community or commercial page, not counted here.

Not researched here

The engine has no dossier for estradiol when cooked with heat, in cold food, as a finishing ingredient, in heated food packaging or other uses. The app researches an ingredient for the use it infers from your product, so a scan fills these in; this page only shows what has already been researched and source-verified.

This is research, not medical advice. Detox My Life shows sourced claims sorted by evidence tier. It does not diagnose, treat, or tell you to start or stop anything. Talk to a qualified professional about your health.

Scan your own. The app reads any product label with your camera, works out how you are about to use it, and researches every ingredient for that use with live sources. Every scan adds to a Detox Score for your home, where 50 is a typical home in your region, and a plan of next swaps.

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